Finding the Fourth Proportional to 7,245,317.05, 9,998,559.36 and 3,982,466.14
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Solution
The fourth proportional to 7,245,317.05, 9,998,559.36 and 3,982,466.14 is: 5,495,815.27
Step by Step Solution
- Step 1: Write the proportion equation
7,245,317.05 : 9,998,559.36 = 3,982,466.14 : x - Step 2: Convert to fraction form
7,245,317.05/9,998,559.36 = 3,982,466.14/x - Step 3: Cross multiply
7,245,317.05x = 9,998,559.36 × 3,982,466.14 - Step 4: Simplify right side
7,245,317.05x = 39,818,924,074,983.67 - Step 5: Solve for x
x = 39,818,924,074,983.67/7,245,317.05 - Step 6: Final answer
x = 5,495,815.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.